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(A): Although phosphorous exhibits +3 an...

(A): Although phosphorous exhibits +3 and +5 oxidation states, it cannot form `PH_5`.
(R): High `Delta H` value of dihydrogen do not favour to exhibit the highest oxidation state of phosphorous. The correct answer is

A

Both A and R are true and R is the correct explanation to A.

B

Both A and R are true and R is not the correct explanation to A.

C

A is correct, R is wrong

D

A is wrong, R is correct

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 3
  1. Emission of positron is found in

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  2. Quantity of electricity liberated during the formation of 1 mole water...

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  3. (A): Although phosphorous exhibits +3 and +5 oxidation states, it cann...

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  4. The correct statement regarding structure of ice.

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  5. Hydrogen will not reduce heated

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  6. The correct statement about the following is

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  7. The correct order of dielectric constant values

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  8. The value of ........ is less for D2O compared to that of H2O

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  9. 1 kg of a sample of water contained 222 mg of CaCl2 and 219 mg of Mg(...

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  10. If 11.1 mg of CaCl2 and 12mg of MgSO4 are present in 2 litres of wate...

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  11. 50 ml of water sample requires 6 ml of soap solution to produce a good...

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  12. In the following reactions which is deuterolysis I) AlCl3 + 3D2O to...

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  13. 5 kg of water contain 24 mg of MgSO4 and 32.4 mg of Ca(HCO3)2 . The t...

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  14. An MgCl2 aqueous solution is 10^(-3) molar. The hardness of water is

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  15. Hardness of a water sample is 150 ppm. Its hardness is due to only cal...

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  16. Last molecule of H(2)O is removed from H(2)O(2) by

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  17. Electrolysis of X gives Y at anode. Vacuum distillation of Y gives H(2...

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  18. The reaction of H2O2 with X does not liberate gaseous product. Which o...

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  19. 6.8 gm of H2O2 is present in 500 ml of an aqueous solution. When 10 ml...

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  20. The number of moles of H(2)O(2) needed to reduce 2 mole of KMnO(4) in ...

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